Income Taxes Income Taxes (Effective Tax Rate) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Income Tax Reconciliation [Abstract]
Federal income tax statutory rate, Amount	$ 14,950	$ 6,558	$ 8,144
State income tax, Amount	3,002	1,300	1,638
Changes in taxes resulting from:
Bank-owned life insurance, Amount	(64)	(66)	(70)
Non-deductible expenses, Amount	63	33	31
Non-deductible stock-based compensation, Amount	82	110	172
Other, Amount	(292)	(7)	134
Effective income tax, Amount	16,916	7,928	10,049
Effective Income Tax Rate Reconciliation [Abstract]
Federal income tax statutory rate, Tax Rate	35.00%	35.00%	35.00%
State income tax, Tax Rate	7.00%	6.90%	7.00%
Changes in taxes resulting from:
Bank-owned life insurance, Tax Rate	(0.10%)	(0.40%)	(0.30%)
Non-deductible expenses, Tax Rate	0.10%	0.20%	0.10%
Non-deductible stock-based compensation, Tax Rate	0.20%	0.60%	0.80%
Other, Tax Rate	(0.70%)	0.00%	0.60%
Effective income tax, Tax Rate	39.60%	42.30%	43.20%
Income Tax Reconciliation, Release of FIN 48 Tax Liabilities	$ (825)	$ 0	$ 0
Effective Income Tax Rate Reconciliation, Release of FIN 48 Tax Liabilities	(1.90%)	0.00%	0.00%